Best Ipad app for printing

I have two customers at present who use their ipads as their main computer and have a Windows pc for when they need to print something, we have tried quite a few apps both free and trial but without success, they are using Brother and HP printers, the Brother is not on the Apple "approved" list for air print but the HP is, many of the apps promise to work with any printer but don't. We don't mind paying for an app if we know it will work but it seems to be a bit of a lottery. These are the main ones that we've tried so far, Brother iprint and scan, ican-print, print agent, printer pro and hp eprint. The HP printer worked one time only with HP eprint wirelessly but will only work now by using the HP printer's email address rather than the wireless connection, the only thing it can print now is an email message and it has never been able to print webpages at all
Thanks for your help

Hi R_Edwards thanks for the suggestion but I'm looking for an app, the device you recommended would cost more than a replacement printer with air print capability plus it's not available in the UK yet. Thanks for trying though :-)

have you tried running a program like Printopia or FingerPrint on your computer that will share its printer as AirPrint over WiFi. They both are reported to work well. However your computer must be on and awake any time you want to print.

I realize you want an app, but the AirPrint is truly the best printing "app" on the ipad.

Poor audio quality is one of the top reasons people don’t use video conferencing. Get the crispest, clearest audio powered by Dolby Voice in every meeting. Highfive and Dolby Voice deliver the best video conferencing and audio experience for every meeting and every room.

To stay competitive, modern businesses must adapt and stay innovative, and this is increasingly only possible by working with outside talent. Managers and executives have understood the power of outsourcing for quite some time, but traditional clien…

With the internet and the ease of information transference, many professional jobs can be done anywhere today. Why should it make a difference whether an x-ray is read in India or the United States as long as the radiologist is qualified? Outso…

XMind Plus helps organize all details/aspects of any project from large to small in an orderly and concise manner. If you are working on a complex project, use this micro tutorial to show you how to make a basic flow chart. The software is free when…